package com.lu.servlet;

import com.lu.dao.impl.TopicDaoImpl;
import com.lu.entity.Topic;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;

public class GetOneTopicByTnameServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req,resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        req.setCharacterEncoding("utf-8");
        resp.setCharacterEncoding("utf-8");

        resp.setContentType("text/html");
        PrintWriter out = resp.getWriter();

        String tname = req.getParameter("tname");
        Topic topicList = new TopicDaoImpl().getOneTopic(tname);
        if(topicList != null){
            out.print("false");
        }else{
            out.print("true");
        }
        out.flush();
        out.close();
    }
}
